<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <!-- br换行标签 是单行标签-->
  <!-- html 会把多个相邻的空格，合并成一个空格 -->
  <h1>hello &nbsp;&nbsp;&nbsp;&nbsp;1111<br>
    word
  </h1>
</body>

</html>